Home / 53,560.89-73,912.77-30,899.93

Finding the Fourth Proportional to 53,560.89, 73,912.77 and 30,899.93

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Solution

The fourth proportional to 53,560.89, 73,912.77 and 30,899.93 is: 42,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.89 : 73,912.77 = 30,899.93 : x
  2. Step 2: Convert to fraction form
    53,560.89/73,912.77 = 30,899.93/x
  3. Step 3: Cross multiply
    53,560.89x = 73,912.77 × 30,899.93
  4. Step 4: Simplify right side
    53,560.89x = 2,283,899,419.11
  5. Step 5: Solve for x
    x = 2,283,899,419.11/53,560.89
  6. Step 6: Final answer
    x = 42,641.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.